302201421 has 4 divisors (see below), whose sum is σ = 402935232. Its totient is φ = 201467612.

The previous prime is 302201329. The next prime is 302201461. The reversal of 302201421 is 124102203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 302201421 - 2¹⁰ = 302200397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 302201421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302201461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50366901 + ... + 50366906.

It is an arithmetic number, because the mean of its divisors is an integer number (100733808).

Almost surely, 2^302201421 is an apocalyptic number.

It is an amenable number.

302201421 is a deficient number, since it is larger than the sum of its proper divisors (100733811).

302201421 is a wasteful number, since it uses less digits than its factorization.

302201421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100733810.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 302201421 is about 17383.9414690685. The cubic root of 302201421 is about 671.0664097094.

Adding to 302201421 its reverse (124102203), we get a palindrome (426303624).

The spelling of 302201421 in words is "three hundred two million, two hundred one thousand, four hundred twenty-one".